Peritoneal dialysis system with air return patient line filter

A peritoneal dialysis ("PD") system (10) includes: a PD machine (20); a patient line (50) extending from the PD machine (20); a filter kit (100) in fluid communication with the patient line (50), the filter kit (100) comprising an air diverting mesh (112) configured for diverting air from the PD fluid flowing through the filter kit (100); and an air return line (58) positioned to return the PD fluid containing air to the PD machine (20). 腹膜透析（"PD"）系统（10）包括：PD机器（20）；从PD机器（20）延伸的患者管线（50）；与所述患者管线（50）流体连通的过滤器套件（100），该过滤器套件（100）包括空气转向网（112），该空气转向网（112）被构造成用于使来自流过过滤器套件（100）的PD流体中的空气转向；以及空气返回管线（58），空气返回管线（58）被定位成将含有空气的PD流体返回到PD机器（20）。